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Finding the Fourth Proportional to 264,671.01, 397,067.94 and 87,171.66

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Solution

The fourth proportional to 264,671.01, 397,067.94 and 87,171.66 is: 130,777.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,671.01 : 397,067.94 = 87,171.66 : x
  2. Step 2: Convert to fraction form
    264,671.01/397,067.94 = 87,171.66/x
  3. Step 3: Cross multiply
    264,671.01x = 397,067.94 × 87,171.66
  4. Step 4: Simplify right side
    264,671.01x = 34,613,071,462.58
  5. Step 5: Solve for x
    x = 34,613,071,462.58/264,671.01
  6. Step 6: Final answer
    x = 130,777.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.